A battery of 24 V and internal resistance 4 ohm is connected to external resistance R. Find the value of current so that power in circuit is maximum. I think ans Is 3A
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Answer:
The given circuit is a balanced Wheatstone bridge.
No current will flow across 6R o the side CD.
∴ The equivalent circuit is:-
For maximum power net external resistance=Total internal resistance
∴(3R∥6R)Ω=4Ω
⟹
3R+6R
3R×6R
Ω=4Ω
⟹R=2Ω
Explanation:
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